Add ColorSpace information on Bitmap

This is the first step toward interpreting color spaces at render time.

Bug: 32984164
Test: BitmapColorSpaceTest in CtsGraphicsTestCases

Change-Id: I0164a18f1ed74a745874fe5229168042afe27a04
diff --git a/libs/hwui/TextureCache.h b/libs/hwui/TextureCache.h
index a55b061..db4ff39 100644
--- a/libs/hwui/TextureCache.h
+++ b/libs/hwui/TextureCache.h
@@ -19,6 +19,8 @@
 
 #include <SkBitmap.h>
 
+#include <cutils/compiler.h>
+
 #include <utils/LruCache.h>
 #include <utils/Mutex.h>